under 2000 in existence. in campaign 2012 both president obama and mitt romney featured on 60 minutes. they're asked questions about issues ranging from the economy to foreign policy. dru levenson with more. >>> on 60 minutes mitt romney laid out part of his economic plan to scott pelley >>> u.s. c american people to hire u.s. president the want to hear specifics >>> i can tell them i will not raise taxes on middle income folks i will not lower the taxes paid by high income individuals >>> president obama criticized romney's plan >>> ulysses have won no tax cuts for the wealthy and roll back regulations >>> romney has called for the president to be aggressive concerning iran's nuclear threat >>> i have executed my foreign policy and people largely agree with that president if mr. romney wants to start another war he should say so >>> after a video service to about mitt romney's and he does not care about those who don't pay taxes he defended the comments >>> i want to help one hundred percent of the american people >>> both men described qualities of a leader >>> a later has c

,,,,, >>> pam cane 20 -- campaign 2012. on wednesday president obama and mitt romney will face-off. both camps are trying to down play expectations. >> reporter: president obama is in nevada working to secure votes in the battleground state. >> hello las vegas. >> reporter: one of nine must win states and polls show a tight race. >> if you stand with me and work with me we will win again. we will win nevada again. we will win this election again. >>> the president is spending the next couple days cramming for the first of three debates. >> i know folks in the media are speculating on who will have the best zingers. mitt romney is a good debater. i am just okay. >> reporter: mitt romney began practicing in june and continued prepping tuesday. chris christie said mitt romney's performance will turn the race upside down. >> you will say we have a barn burner now. >> reporter: mitt romney's run -- paul ryan dialed back expectations. >> i don't think one event is going to make or break the campaign. >> reporter: paul ryan says mitt romney will lay out the choice voters have, especially when i

come coming up later on in the broadcast >>> campaign 2012 president obama and mitt romney prepping for their first debate next week the running mates were campaigning in battleground states joe biden in florida telling voters the republicans want to change medicare meanwhile paul ryan hammered the obama administration on the economy >>> they don't want to tell you the not for medicare there for a thing i call a voucher care >>> as a result of the most predictable economic crisis and not fixing it our credit rating was downgraded for first time in our history >>> the candidates are honing debate techniques run it will get help from ohio senator rob portman who will play obama and for the president's preparations senator john kerry will stand in for romney. cub manager brown vetoes a bill to ban agencies from disrupting cellphones service without court order, it targeted bart, which sparked a free-speech debate when it cut cellphones service in san francisco to disrupt the planned protest, the governor said it could divert attention from a true emergency by requiring court agencies to ge